Troubleshooting

pr cp 116972 r2

Ubuntu 22.04 external monitor not detected

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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Oracle Linux 8 — .NET 6.0 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET 6.0 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-3582)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3582 Related CVEs: CVE-2023-29331 CVE-2023-29337 CVE-2023-24936 CVE-2023-33128 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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pr cp 117469 r2

Ubuntu 20.04 snap apps fail to launch

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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SLES 16 — perl-Text-CSV_XS — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — perl-Text-CSV_XS — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:1936-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-7111 Upstream summary: Text::CSV_XS versions before 1.62 for Perl have a use-after-free when registered callbacks extend the Perl argument stack, which may enable type confusion […]

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pr cp 117964 r2

Ubuntu 18.04 root partition out of disk space

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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SLES 15 — jackson-databind — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — jackson-databind — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2018-11307 CVE-2018-14718 CVE-2018-14721 CVE-2018-19360 CVE-2018-19361 CVE-2018-19362 CVE-2018-7489 CVE-2019-14379  +12 more Upstream summary: An issue was discovered in FasterXML jackson-databind 2.0.0 through 2.9.5. Use of Jackson default typing along with […]

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pr cp 118470 r2

Ubuntu 16.04 disk space fills up unexpectedly

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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SLES 12 — tiff — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — tiff — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:12265 (see also SUSE bugzilla) Related CVEs: CVE-2026-4775 CVE-2025-9900 CVE-2025-8176 CVE-2023-26965 CVE-2022-48281 CVE-2022-3970 CVE-2022-2519 CVE-2022-2521  +12 more Upstream summary: A flaw was found in the libtiff library. A remote attacker could exploit […]

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pr cp 118994 r2

Ubuntu 14.04 LTS Apache2 Fails to Start After Config Change

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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pr cp 127052 r2

CentOS Stream 10 – Common Problem 134 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: CentOS Stream 10 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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